Patents by Inventor Franz Kolb, deceased

Franz Kolb, deceased has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus for measuring the velocity of gases
    Patent number: 4366709
    Abstract: There is provided an apparatus for the measurement of the velocity of gases, especially for the intake of internal combustion engines, consisting essentially of an electronic unit and a hot-wire anemometer, with two or more temperature dependent resistances with the highest possible temperature coefficients which together with two temperature independent resistances are connected to form a bridge. The temperature dependent resistances are made of a thin metal coating which are placed on electrically insulating carriers.
    Type: Grant
    Filed: October 2, 1980
    Date of Patent: January 4, 1983
    Assignee: Degussa Aktiengesellschaft
    Inventors: Kurt Eiermann, Franz Kolb, deceased
  • Apparatus for measuring the velocity of gases
    Patent number: 4245502
    Abstract: There is provided an apparatus for the measurement of the velocity of gases, especially for the intake of internal combustion engines, consisting essentially of an electronic unit and a hot-wire anemometer, with two or more temperature dependent resistance with the highest possible temperature coefficients which together with two resistances are connected to form a bridge. The temperature dependent resistances are made of a thin metal coating which are placed on electrically insulating carriers.
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: January 20, 1981
    Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
    Inventors: Kurt Eiermann, Franz Kolb, deceased